C1 Inhibiting Factor
Alternate Names : C1 Esterase Inhibitor
Definition This is a test that measures the concentration of an inhibitor of complement in the blood.
Why is the Test Performed?
Complement activity (CH50, CH100, terminal complement component, or individual complement proteins) is measured to determine if complement is involved in the development of a number of diseases. Complement activity is also measured to monitor severity of a disease or determine efficiency of treatment.
Patients with hereditary angioedema are often depleted of C1 esterase inhibitor.
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